Ghost in The Tower of Druaga.

Ghost (ゴースト) is an enemy from the Babylonian Castle Saga. They are undead Magicians that have the ability to walk through walls, also some Ghost types can't be seen unless the character has a candle. The are present in several games like The Tower of Druaga, The Quest of Ki, The Blue Crystal Rod, Seme COM Dungeon: Drururuaga, The Nightmare of Druaga: Fushigino Dungeon, and Namco × Capcom.

In AnimeEdit

A Ghost appears in the episode "Tower of Legend" as a enemy in the tower games, also another Ghost appears in this episode as a shopkeeper.